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1 /*
2  * (C) Copyright 2011 Comelit Group SpA
3  * Luca Ceresoli <luca.ceresoli@comelit.it>
4  *
5  * Based on omap3_beagle.h:
6  * (C) Copyright 2006-2008
7  * Texas Instruments.
8  * Richard Woodruff <r-woodruff2@ti.com>
9  * Syed Mohammed Khasim <x0khasim@ti.com>
10  *
11  * Configuration settings for the Comelit DIG297 board.
12  *
13  * See file CREDITS for list of people who contributed to this
14  * project.
15  *
16  * This program is free software; you can redistribute it and/or
17  * modify it under the terms of the GNU General Public License as
18  * published by the Free Software Foundation; either version 2 of
19  * the License, or (at your option) any later version.
20  *
21  * This program is distributed in the hope that it will be useful,
22  * but WITHOUT ANY WARRANTY; without even the implied warranty of
23  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
24  * GNU General Public License for more details.
25  *
26  * You should have received a copy of the GNU General Public License
27  * along with this program; if not, write to the Free Software
28  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
29  * MA 02111-1307 USA
30  */
31
32 #ifndef __CONFIG_H
33 #define __CONFIG_H
34
35 /*
36  * High Level Configuration Options
37  */
38 #define CONFIG_OMAP             /* in a TI OMAP core */
39 #define CONFIG_OMAP34XX         /* which is a 34XX */
40 #define CONFIG_OMAP3430         /* which is in a 3430 */
41
42 #define CONFIG_SYS_TEXT_BASE    0x80008000
43
44 #define CONFIG_SDRC     /* The chip has SDRC controller */
45
46 #include <asm/arch/cpu.h>               /* get chip and board defs */
47 #include <asm/arch/omap3.h>
48
49 /*
50  * Display CPU and Board information
51  */
52 #define CONFIG_DISPLAY_CPUINFO
53 #define CONFIG_DISPLAY_BOARDINFO
54
55 /* Clock Defines */
56 #define V_OSCK                  26000000        /* Clock output from T2 */
57 #define V_SCLK                  (V_OSCK >> 1)
58
59 #undef CONFIG_USE_IRQ                           /* no support for IRQs */
60 #define CONFIG_MISC_INIT_R
61
62 #define CONFIG_CMDLINE_TAG                      /* enable passing of ATAGs */
63 #define CONFIG_SETUP_MEMORY_TAGS
64 #define CONFIG_INITRD_TAG
65 #define CONFIG_REVISION_TAG
66
67 /*
68  * Size of malloc() pool
69  */
70 #define CONFIG_ENV_SIZE                 (128 << 10)     /* 128 KiB */
71                                                 /* Sector */
72 #define CONFIG_SYS_MALLOC_LEN           (1024 << 10) /* UBI needs >= 512 kB */
73
74 /*
75  * Hardware drivers
76  */
77
78 /*
79  * NS16550 Configuration
80  */
81 #define V_NS16550_CLK                   48000000        /* 48MHz (APLL96/2) */
82
83 #define CONFIG_SYS_NS16550
84 #define CONFIG_SYS_NS16550_SERIAL
85 #define CONFIG_SYS_NS16550_REG_SIZE     (-4)
86 #define CONFIG_SYS_NS16550_CLK          V_NS16550_CLK
87
88 /*
89  * select serial console configuration: UART3 (ttyO2)
90  */
91 #define CONFIG_CONS_INDEX               3
92 #define CONFIG_SYS_NS16550_COM3         OMAP34XX_UART3
93 #define CONFIG_SERIAL3                  3
94
95 /* allow to overwrite serial and ethaddr */
96 #define CONFIG_ENV_OVERWRITE
97 #define CONFIG_BAUDRATE                 115200
98 #define CONFIG_SYS_BAUDRATE_TABLE       {4800, 9600, 19200, 38400, 57600,\
99                                         115200}
100 #define CONFIG_MMC
101 #define CONFIG_OMAP3_MMC
102 #define CONFIG_DOS_PARTITION
103
104 /* DDR - I use Micron DDR */
105 #define CONFIG_OMAP3_MICRON_DDR
106
107 /* library portions to compile in */
108 #define CONFIG_RBTREE
109 #define CONFIG_MTD_PARTITIONS
110 #define CONFIG_LZO
111
112 /* commands to include */
113 #include <config_cmd_default.h>
114
115 #define CONFIG_CMD_FAT          /* FAT support                  */
116 #define CONFIG_CMD_UBI          /* UBI Support                  */
117 #define CONFIG_CMD_UBIFS        /* UBIFS Support                */
118 #define CONFIG_CMD_MTDPARTS     /* Enable MTD parts commands    */
119 #define CONFIG_MTD_DEVICE       /* needed for mtdparts commands */
120 #define MTDIDS_DEFAULT          "nand0=omap2-nand.0"
121 #define MTDPARTS_DEFAULT        "mtdparts=omap2-nand.0:896k(uboot),"\
122                                 "128k(uboot-env),3m(kernel),252m(ubi)"
123
124 #define CONFIG_CMD_I2C          /* I2C serial bus support       */
125 #define CONFIG_CMD_MMC          /* MMC support                  */
126 #define CONFIG_CMD_NAND         /* NAND support                 */
127
128 #undef CONFIG_CMD_FLASH         /* flinfo, erase, protect       */
129 #undef CONFIG_CMD_FPGA          /* FPGA configuration Support   */
130 #undef CONFIG_CMD_IMI           /* iminfo                       */
131 #undef CONFIG_CMD_IMLS          /* List all found images        */
132 #define CONFIG_CMD_NET          /* bootp, tftpboot, rarpboot    */
133 #undef CONFIG_CMD_NFS           /* NFS support                  */
134
135 #define CONFIG_SYS_NO_FLASH
136 #define CONFIG_HARD_I2C
137 #define CONFIG_SYS_I2C_SPEED            100000
138 #define CONFIG_SYS_I2C_SLAVE            1
139 #define CONFIG_SYS_I2C_BUS              0
140 #define CONFIG_SYS_I2C_BUS_SELECT       1
141 #define CONFIG_DRIVER_OMAP34XX_I2C      1
142
143 /*
144  * TWL4030
145  */
146 #define CONFIG_TWL4030_POWER
147 #define CONFIG_TWL4030_LED
148
149 /*
150  * Board NAND Info.
151  */
152 #define CONFIG_NAND_OMAP_GPMC
153 #define CONFIG_SYS_NAND_ADDR            NAND_BASE       /* physical address */
154                                                         /* to access nand */
155 #define CONFIG_SYS_NAND_BASE            NAND_BASE       /* physical address */
156                                                         /* to access nand at */
157                                                         /* CS0 */
158 #define GPMC_NAND_ECC_LP_x16_LAYOUT
159
160 #define CONFIG_SYS_MAX_NAND_DEVICE      1               /* Max number of NAND */
161
162 #if defined(CONFIG_CMD_NET)
163 /*
164  * SMSC9220 Ethernet
165  */
166
167 #define CONFIG_NET_MULTI
168 #define CONFIG_SMC911X
169 #define CONFIG_SMC911X_32_BIT
170 #define CONFIG_SMC911X_BASE     0x2C000000
171
172 #endif /* (CONFIG_CMD_NET) */
173
174 /* Environment information */
175 #define CONFIG_BOOTDELAY                1
176
177 #define CONFIG_EXTRA_ENV_SETTINGS \
178         "loadaddr=0x82000000\0" \
179         "console=ttyO2,115200n8\0" \
180         "mtdids=" MTDIDS_DEFAULT "\0" \
181         "mtdparts=" MTDPARTS_DEFAULT "\0" \
182         "partition=nand0,3\0"\
183         "mmcroot=/dev/mmcblk0p2 rw\0" \
184         "mmcrootfstype=ext3 rootwait\0" \
185         "nandroot=ubi0:rootfs ro\0" \
186         "nandrootfstype=ubifs\0" \
187         "nfspath=/srv/nfs\0" \
188         "tftpfilename=uImage\0" \
189         "gatewayip=0.0.0.0\0" \
190         "mmcargs=setenv bootargs console=${console} " \
191                 "${mtdparts} " \
192                 "root=${mmcroot} " \
193                 "rootfstype=${mmcrootfstype} " \
194                 "ip=${ipaddr}:${serverip}:${gatewayip}:" \
195                         "${netmask}:${hostname}::off\0" \
196         "nandargs=setenv bootargs console=${console} " \
197                 "${mtdparts} " \
198                 "ubi.mtd=3 " \
199                 "root=${nandroot} " \
200                 "rootfstype=${nandrootfstype} " \
201                 "ip=${ipaddr}:${serverip}:${gatewayip}:" \
202                         "${netmask}:${hostname}::off\0" \
203         "netargs=setenv bootargs console=${console} " \
204                 "${mtdparts} " \
205                 "root=/dev/nfs rw " \
206                 "nfsroot=${serverip}:${nfspath} " \
207                 "ip=${ipaddr}:${serverip}:${gatewayip}:" \
208                         "${netmask}:${hostname}::off\0" \
209         "mmcboot=echo Booting from mmc ...; " \
210                 "run mmcargs; " \
211                 "bootm ${loadaddr}\0" \
212         "nandboot=echo Booting from nand ...; " \
213                 "run nandargs; " \
214                 "nand read ${loadaddr} 100000 300000; " \
215                 "bootm ${loadaddr}\0" \
216         "netboot=echo Booting from network ...; " \
217                 "run netargs; " \
218                 "tftp ${loadaddr} ${serverip}:${tftpfilename}; " \
219                 "bootm ${loadaddr}\0" \
220         "resetenv=nand erase e0000 20000\0"\
221
222 #define CONFIG_BOOTCOMMAND \
223         "run nandboot"
224
225 #define CONFIG_AUTO_COMPLETE
226 /*
227  * Miscellaneous configurable options
228  */
229 #define CONFIG_SYS_LONGHELP             /* undef to save memory */
230 #define CONFIG_SYS_HUSH_PARSER          /* use "hush" command parser */
231 #define CONFIG_SYS_PROMPT_HUSH_PS2      "> "
232 #define CONFIG_SYS_PROMPT               "DIG297# "
233 #define CONFIG_SYS_CBSIZE               256     /* Console I/O Buffer Size */
234 /* Print Buffer Size */
235 #define CONFIG_SYS_PBSIZE               (CONFIG_SYS_CBSIZE + \
236                                         sizeof(CONFIG_SYS_PROMPT) + 16)
237 #define CONFIG_SYS_MAXARGS              16      /* max number of command args */
238 /* Boot Argument Buffer Size */
239 #define CONFIG_SYS_BARGSIZE             (CONFIG_SYS_CBSIZE)
240
241 #define CONFIG_SYS_MEMTEST_START        (OMAP34XX_SDRC_CS0)     /* memtest */
242                                                                 /* works on */
243 #define CONFIG_SYS_MEMTEST_END          (OMAP34XX_SDRC_CS0 + \
244                                         0x01F00000) /* 31MB */
245
246 #define CONFIG_SYS_LOAD_ADDR            (OMAP34XX_SDRC_CS0)     /* default */
247                                                         /* load address */
248
249 /*
250  * OMAP3 has 12 GP timers, they can be driven by the system clock
251  * (12/13/16.8/19.2/38.4MHz) or by 32KHz clock. We use 13MHz (V_SCLK).
252  * This rate is divided by a local divisor.
253  */
254 #define CONFIG_SYS_TIMERBASE            (OMAP34XX_GPT2)
255 #define CONFIG_SYS_PTV                  2       /* Divisor: 2^(PTV+1) => 8 */
256 #define CONFIG_SYS_HZ                   1000
257
258 /*-----------------------------------------------------------------------
259  * Stack sizes
260  *
261  * The stack sizes are set up in start.S using the settings below
262  */
263 #define CONFIG_STACKSIZE        (128 << 10)     /* regular stack 128 KiB */
264 #ifdef CONFIG_USE_IRQ
265 #define CONFIG_STACKSIZE_IRQ    (4 << 10)       /* IRQ stack 4 KiB */
266 #define CONFIG_STACKSIZE_FIQ    (4 << 10)       /* FIQ stack 4 KiB */
267 #endif
268
269 /*-----------------------------------------------------------------------
270  * Physical Memory Map
271  */
272 #define CONFIG_NR_DRAM_BANKS    2       /* CS1 may or may not be populated */
273 #define PHYS_SDRAM_1            OMAP34XX_SDRC_CS0
274 #define PHYS_SDRAM_1_SIZE       (32 << 20)      /* at least 32 MiB */
275 #define PHYS_SDRAM_2            OMAP34XX_SDRC_CS1
276
277 /* SDRAM Bank Allocation method */
278 #define SDRC_R_B_C              1
279
280 /*-----------------------------------------------------------------------
281  * FLASH and environment organization
282  */
283
284 /* **** PISMO SUPPORT *** */
285
286 /* Configure the PISMO */
287 #define PISMO1_NAND_SIZE                GPMC_SIZE_128M
288
289 #define CONFIG_SYS_MONITOR_LEN          (256 << 10)     /* Reserve 2 sectors */
290
291 #define CONFIG_SYS_FLASH_BASE           boot_flash_base
292
293 /* Monitor at start of flash */
294 #define CONFIG_SYS_MONITOR_BASE         CONFIG_SYS_FLASH_BASE
295
296 #define CONFIG_ENV_IS_IN_NAND
297 #define SMNAND_ENV_OFFSET               0x0E0000 /* environment starts here */
298
299 #define CONFIG_SYS_ENV_SECT_SIZE        (128 << 10)     /* 128 KiB */
300 #define CONFIG_ENV_OFFSET               SMNAND_ENV_OFFSET
301 #define CONFIG_ENV_ADDR                 SMNAND_ENV_OFFSET
302
303 #define CONFIG_SYS_SDRAM_BASE           PHYS_SDRAM_1
304 #define CONFIG_SYS_INIT_RAM_ADDR        0x4020f800
305 #define CONFIG_SYS_INIT_RAM_SIZE        0x800
306 #define CONFIG_SYS_INIT_SP_ADDR         (CONFIG_SYS_INIT_RAM_ADDR + \
307                                          CONFIG_SYS_INIT_RAM_SIZE - \
308                                          GENERATED_GBL_DATA_SIZE)
309
310 #endif /* __CONFIG_H */